Built on the success of the Rudy Project Ekynox™ sunglass, the new SX has been designed with smaller faces in mind, incorporating geometric cubic styling for an unsurpassed fit factor and a hip contemporary look. Using Rudy Project's core platform technologies like adjustable 360° temples, adjustable ergonose™, Quick Change™ interchangeable lenses, optional RX-ability, optional elastic strap, the Ekynox SX™ is sure to be the definitive piece of equipment to enhance performance while offering cutting-edge style.
Eyesize: 61/19. Dimensions: A:61, B:37.1. Weight: 1.1oz, 31g.
Note: Unable to ship outside the US, Canada and Caribbean.
Rudy Project warranty not honored if sold an unauthorized price. For price matching, please call or email.
Multiple prescription options available. Prices shown for all options are for single vision (SV) prescription lenses only. Progressive lenses are available in store only or see our prescription information page for other options for obtaining progressive lenses.
Option #1: RX insert (full rim insert or Rimless insert). Maximum prescription range -7.00 to +4.00 total power (sphere plus cylinder). This is a piece that carries the prescription and snaps in behind the non-prescription Rudy Project lenses. This allows you to change out the front lens for various light conditions while only purchasing one pair of prescription lenses. This is the most economical way to go and is a good option for contact lens wearers who only need to occasionally insert the prescription adapter. The full rim is more solid design (less fragile). Eyesize: A: 43, B: 32. The rimless adapter is less noticeable but is held with a wire so may be more fragile. Eyesize: A=44, B=33. There is also a full rimmed adapter designed for progressive or bifocal lens wearers (deeper top to bottom to allow for progressive lens heights). Eyesize: A=47, B=36 (note we don't sell bifocal/progressive lenses online).
Option #2: "Direct In" is where the prescription is made just like the non-prescription lens, direct into the frame. Direct in lenses feature Rudy Project's revolutionary ImpactRX™ program with Eyepoint freeform technology giving a wider field of vision and virtually eliminating distortion issues associated with wrap lenses. See Rudy Project technology page for more details.
Note: Rudy project no longer allows lenses only to be purchased. If you already have the frame, you can purchase lenses only but you will have to mail your frame in to have prescription lenses cut to your frame. If we make lenses only and the lenses don't fit your frame, there will be a charge to remake lenses to fit. See "Lens Color" tab for full lens color descriptions.
Direct In Prescription Limitations based on PD (Pupil distance) and are estimates. When trying to fabricate there may be additional limitations. Sphere power listed. Maximum cylinder power is 2.00.
|PD=58 to 60
||-3.50 to +3.25
|PD=61 to 64||-3.75 to +3.25
|PD=65 to 67
||-4.50 to +3.25
|PD=68 to 70
||-4.75 to +3.25
Rudy Project Lens Information
Always at the peak of technology, our lenses provide optical clarity and physical protection for the eye. Perfect for all those who participate in sports.
Solar Radiation and Eye Care: Light is an electromagnetic ray characterized by its wave length and measured in nanometers (1 nm=1/1,000,000 of a mm). The ultraviolet rays (UVA, B and C) are the most dangerous rays for our eyes. Our lenses absorb all the ultraviolet rays: the residual transmission is less that 0.001% up to the 385nm (the wave length at which the visible spectrum begins). The lens receives an application of metal ions of chrome or silicon oxide, calculated in such a way as to provide a precise absorption factor.
Polarized: Polycarbonate lenses: Lightweight and more impact resistant than glass lenses. The polarizing film cuts through glare and harsh sun reflections, enabling wearers to see clearly in bright light conditions and minimize eye fatigue. Available in gray and brown, they transmit 22% of visible light. Perfect for surfers, anglers, boaters and sun-worshipers.
RP-D-Centered™: The optical axis is maintained parallel to the main axis of vision, permitting maximum utilization of lenses with extensive curvature (basis 6-8), respecting the need of optical quality and visual clarity.
ImpactX Lens Technology
Prescription Lens Questions
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